20263342124 has 6 divisors (see below), whose sum is σ = 35460848724. Its totient is φ = 10131671060.

The previous prime is 20263342123. The next prime is 20263342139. The reversal of 20263342124 is 42124336202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20263342123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532917762 + ... + 2532917769.

It is an arithmetic number, because the mean of its divisors is an integer number (5910141454).

Almost surely, 2^20263342124 is an apocalyptic number.

It is an amenable number.

20263342124 is a deficient number, since it is larger than the sum of its proper divisors (15197506600).

20263342124 is a wasteful number, since it uses less digits than its factorization.

20263342124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065835535 (or 5065835533 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20263342124 its reverse (42124336202), we get a palindrome (62387678326).

The spelling of 20263342124 in words is "twenty billion, two hundred sixty-three million, three hundred forty-two thousand, one hundred twenty-four".